Frost Line Depth in Texas City, Texas
- 2 verified codes nearby
- Checked Oct 2026
No official local value
Frost rarely reaches the ground in Texas City.
Nearby official codes require 6–12 in (2 verified codes).
Footings still go at least 12 in (30 cm) below undisturbed ground (IRC R403.1.4).
Source and how we checked
We searched this place’s own code and website and found no published frost line depth.
Climate: 3 nights a year at or below 32 °F (NOAA 1991–2020, Galveston, 10.8 mi).
Checked Oct 2026. Report a correction
Does Texas City have an official frost line depth?
No adopted frost line depth found for Texas City in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 6 to 12 in. Use the deepest of them until the building department confirms Texas City’s own number.
What frost line depth does Texas City use for footings under Table R301.2(1)? Is it 6 in, like Houston?
How deep do footings, decks and water lines need to be in Texas City?
Drawn with the deepest nearby official value (12 in). Confirm Texas City’s own depth before you dig.
House or garage footing in Texas City: dig at least 12 in (30 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).
| Project | Depth | Rule |
|---|---|---|
| House or garage footing | 12 in | Below the frost line and at least 12 in deep (IRC R403.1.4) |
| Deck footing (attached) | 12 in | Below the frost line and at least 12 in deep (IRC R507.3) |
| Water service line | 18 in | 6 in below the frost line and at least 12 in deep (IRC P2603.5) |
| Fence post bottom | 12 in | No code rule; common practice is below the frost line |
Work out posts, concrete and footing sizes with the fence post depth calculator or the deck footing calculator.
How cold does it get in Texas City?
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
Texas City never averages a low below freezing. 3 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 48.4 °F.
NOAA 1991–2020 climate normals, Galveston station, 10.8 mi away, elevation 7 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 48.4 | 51.4 | 58.4 | 62.6 | 72.4 | 77.3 | 80.1 | 79.2 | 75.5 | 67.5 | 58.3 | 49.8 |
| High | 62.5 | 65.3 | 70.3 | 76.1 | 82.8 | 87.9 | 89.7 | 90.5 | 88.6 | 81 | 71.5 | 65.4 |
Texas City has fewer freezing nights than 156 of the 168 other Texas places we track. The Texas median is 32. Coldest: Amarillo; mildest: Brownsville.
What frost line depth do towns near Texas City use?
2 official codes near Texas City are verified; each links to its document.
| Place | Verified frost line | Distance |
|---|---|---|
| Houston | 6 in | 38 mi away |
| Missouri City | 12 in | 40 mi away |
How likely is the soil in Texas City to heave?
USDA rates the sampled soil around Texas City as 100% none for frost action (main soils: Kemah, Ijam, Tracosa).
USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.
Texas City at a glance
- Frost line depth
- No official local value
- County
- Galveston County
- Population (2023 est.)
- 56,609
- Mean annual temperature
- 71.4 °F
- ZIP codes (6)
- 77518 · 77539 · 77568 · 77573 · 77590 · 77591